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March 4, 2010

New use for ground radar: saving city trees

  • The city of Seattle may use the technology to determine how close a building could be sited near a tree or how close construction could occur.
    Journal Staff Reporter

    Photo courtesy of SDOT
    Robert Schall of GeoRadar Imaging demonstrates to city employees how radar can be used to identify tree roots in front of Seattle City Hall.

    Ground penetrating radar has been used for years to detect things underground, from utilities to Saddam Hussein in hiding. Recently, the Seattle Department of Transportation realized it might have a new use for the technology: identifying the location and size of tree roots.

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